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We implemented and optimized a new golden\u2010angle radial T<jats:sub>2<\/jats:sub> mapping technique named SKRATCH (Shared k\u2010space Radial T<jats:sub>2<\/jats:sub> Characterization of the Heart) that shares k\u2010space peripheries of T<jats:sub>2<\/jats:sub>\u2010weighted images while preserving their contrasts.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Six SKRATCH variants (gradient\u2010recalled echo and balanced SSFP, free\u2010breathing and breath\u2010held, with and without a saturation preparation) were implemented, and their precision was compared with a navigator\u2010gated reference technique in phantoms and 22 healthy volunteers at 3\u2009T. The optimal breath\u2010held SKRATCH technique was applied in a small cohort of patients with subacute myocardial infarction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The faster free\u2010breathing SKRATCH technique reduced the acquisition time by 52.4%, while maintaining the precision and spatial resolution of the reference technique. Similarly, the most precise and robust breath\u2010held SKRATCH technique demonstrated homogenous T<jats:sub>2<\/jats:sub> values that did not significantly differ from the navigator\u2010gated reference (T<jats:sub>2<\/jats:sub>\u2009=\u200939.9\u2009\u00b1\u20093.4 ms versus 39.5\u2009\u00b1\u20093.4 ms, <jats:italic>P<\/jats:italic>\u2009&gt;\u2009.20, respectively). All infarct patients demonstrated a large T<jats:sub>2<\/jats:sub> elevation in the ischemic regions of the myocardium.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The optimized SKRATCH technique enabled the accelerated acquisition of high\u2010spatial\u2010resolution T<jats:sub>2<\/jats:sub> maps, was validated in healthy adult volunteers, and was successfully applied to a small initial group of patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/mrm.27374","type":"journal-article","created":{"date-parts":[[2018,7,30]],"date-time":"2018-07-30T06:27:23Z","timestamp":1532932043000},"page":"220-233","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Accelerated and high\u2010resolution cardiac <scp>T<\/scp><sub>2<\/sub> mapping through peripheral k\u2010space 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